output
20182026
most citedDark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations

Showing 2021 · astro-ph.COShow all

112 papers · 2 filters

astro-ph.CO2021

The hydrostatic mass bias in The Three Hundred clusters

Giulia Gianfagna, Elena Rasia, Weiguang Cui +2

Hydrostatic equilibrium (HE) is often used in observations to estimate galaxy clusters masses. We use a set of almost 300 simulated clusters from The Three Hundred Project, to esti…

astro-ph.CO2021★ 8 cited

Type Ia Supernova Magnitude Step from the local Dark Matter Environment

Heinrich Steigerwald, Davi Rodrigues, Stefano Profumo +1

Residuals in the Hubble diagram at optical wavelengths and host galaxy stellar mass are observed to correlate in Type Ia supernovae (SNe Ia) (`magnitude step'). Among possible prog…

astro-ph.CO2021★ 38 cited

The DES view of the Eridanus supervoid and the CMB Cold Spot

A. Kovács, N. Jeffrey, M. Gatti +119

The Cold Spot is a puzzling large-scale feature in the Cosmic Microwave Background temperature maps and its origin has been subject to active debate. As an important foreground str…

astro-ph.CO2021★ 54 cited

Fundamental physics with ESPRESSO: Precise limit on variations in the fine-structure constant towards the bright quasar HE 05154414

Michael T. Murphy, Paolo Molaro, Ana C. O. Leite +40

The strong intervening absorption system at redshift 1.15 towards the very bright quasar HE 05154414 is the most studied absorber for measuring possible cosmological variations…

astro-ph.CO2021

Near-infrared spectroscopy of extreme BAL QSOs from the QUBRICS bright quasar survey

Guido Cupani, Giorgio Calderone, Pierluigi Selvelli +8

We report on the spectral confirmation of 18 QSO candidates from the "QUasars as BRIght beacons for Cosmology in the Southern hemisphere'' survey (QUBRICS), previously observed in…

astro-ph.CO2021★ 17 cited

Baryon acoustic oscillations in thin redshift shells from BOSS DR12 and eBOSS DR16 galaxies

Ranier Menote, Valerio Marra

In an age of large astronomical dateset and severe cosmological tensions, the case for model independent analyses is compelling. We present a set of 14 baryon acoustic oscillations…

astro-ph.CO2021★ 10 cited

Rapid Simulations of Halo and Subhalo Clustering

Pascale Berner, Alexandre Refregier, Raphael Sgier +3

The analysis of cosmological galaxy surveys requires realistic simulations for their interpretation. Forward modelling is a powerful method to simulate galaxy clustering without th…

astro-ph.CO2021★ 12 cited

Euclid: Covariance of weak lensing pseudo- estimates. Calculation, comparison to simulations, and dependence on survey geometry

R. E. Upham, M. L. Brown, L. Whittaker +102

An accurate covariance matrix is essential for obtaining reliable cosmological results when using a Gaussian likelihood. In this paper we study the covariance of pseudo- es…

astro-ph.CO2021

Combining Planck and SPT cluster catalogs: cosmological analysis and impact on Planck scaling relation calibration

L. Salvati, A. Saro, S. Bocquet +41

We provide the first combined cosmological analysis of South Pole Telescope (SPT) and Planck cluster catalogs. The aim is to provide an independent calibration for Planck scaling r…

astro-ph.CO2021★ 5 cited

The Three Hundred-NIKA2 Sunyaev-Zeldovich Large Program twin samples: Synthetic clusters to support real observations

A. Paliwal, E. Artis, W. Cui +12

The simulation database of THE THREE HUNDRED Project has been used to pick synthetic clusters of galaxies with properties close to the observational targets of the NIKA2 camera Sun…

astro-ph.CO2021★ 1 cited

Lensing Without Borders. I. A Blind Comparison of the Amplitude of Galaxy-Galaxy Lensing Between Independent Imaging Surveys

A. Leauthaud, A. Amon, S. Singh +104

Lensing Without Borders is a cross-survey collaboration created to assess the consistency of galaxy-galaxy lensing signals () across different data-sets and to carry out end-to…

astro-ph.CO2021★ 26 cited

The Dark Energy Survey Supernova Program: Cosmological biases from supernova photometric classification

M. Vincenzi, M. Sullivan, A. Möller +81

Cosmological analyses of samples of photometrically-identified Type Ia supernovae (SNe Ia) depend on understanding the effects of 'contamination' from core-collapse and peculiar SN…

astro-ph.CO2021★ 19 cited

Improving cosmological constraints from galaxy cluster number counts with CMB-cluster-lensing data: Results from the SPT-SZ survey and forecasts for the future

P. S. Chaubal, C. L. Reichardt, N. Gupta +40

We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of CMB-cluster lensing data. We explore the cosmological implications of adding ma…

astro-ph.CO2021★ 7 cited

Galaxy cluster mass density profile derived using the submillimetre galaxies magnification bias

L. Fernandez, M. M. Cueli, J. González-Nuevo +4

In this work we want to study the average mass density profile of tens to hundreds of clusters of galaxies acting as lenses that produce a magnification bias on the SMGs, and to es…

astro-ph.CO2021★ 5 cited

Generalised scalar-tensor theories of gravity and pressure profiles of galaxy clusters

Balakrishna S. Haridasu, Purnendu Karmakar, Marco De Petris +2

In the current proceedings, we summarise the results presented during the mm Universe@NIKA2 conference, taken from our main results in \cite{Haridasu:2021hzq}. We test the Degenera…

astro-ph.CO2021★ 2 cited

Morphological analysis of SZ and X-ray maps of galaxy clusters with Zernike polynomials

Valentina Capalbo, Marco De Petris, Federico De Luca +6

Several methods are used to evaluate, from observational data, the dynamical state of galaxy clusters. Among them, the morphological analysis of cluster images is well suited for t…

astro-ph.CO2021★ 21 cited

Limits on non-canonical heating and turbulence in the intergalactic medium from the low redshift Lyman-alpha forest

James S. Bolton, Prakash Gaikwad, Martin G. Haehnelt +5

We examine the column density distribution function (CDDF) and Doppler parameter distribution from hydrodynamical simulations and Cosmic Origins Spectrograph (COS) observations of…

astro-ph.CO2021★ 22 cited

In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications

Nicoletta Krachmalnicoff, Tomotake Matsumura, Elena de la Hoz +67

We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurem…

astro-ph.CO2021

Cosmic Shear in Harmonic Space from the Dark Energy Survey Year 1 Data: Compatibility with Configuration Space Results

H. Camacho, F. Andrade-Oliveira, A. Troja +96

We perform a cosmic shear analysis in harmonic space using the first year of data collected by the Dark Energy Survey (DES-Y1). We measure the cosmic weak lensing shear power spect…

astro-ph.CO2021★ 39 cited

The Covariance of Squeezed Bispectrum Configurations

Matteo Biagetti, Lina Castiblanco, Jorge Noreña +1

We measure the halo bispectrum covariance in a large set of N-body simulations and compare it with theoretical expectations. We find a large correlation among (even mildly) squeeze…

astro-ph.CO2021★ 34 cited

Shocks in the Stacked Sunyaev-Zel'dovich Profiles of Clusters II: Measurements from SPT-SZ + Planck Compton-y Map

D. Anbajagane, C. Chang, B. Jain +43

We search for the signature of cosmological shocks in stacked gas pressure profiles of galaxy clusters using data from the South Pole Telescope (SPT). Specifically, we stack the la…

astro-ph.CO2021★ 13 cited

Detectability of the cross-correlation between CMB lensing and stochastic GW background from compact object mergers

Giulia Capurri, Andrea Lapi, Carlo Baccigalupi

The anisotropies of the Stochastic Gravitational-Wave Background (SGWB) produced by merging compact binaries constitute a possible new probe of the Large-Scale Structure (LSS). How…

astro-ph.CO2021★ 4 cited

Numerical implementation of the Cubic Galileon model in PINOCCHIO

Yanling Song, Chiara Moretti, Pierluigi Monaco +1

We present a perturbative treatment of nonlinear galaxy clustering in the context of the cubic Galileon modified gravity model, in terms of 2nd order Lagrangian Perturbation theory…

astro-ph.CO2021★ 8 cited

Testing generalized scalar-tensor theories of gravity with clusters of galaxies

Balakrishna S. Haridasu, Purnendu Karmakar, Marco De Petris +2

We test the generalized scalar-tensor theory in static systems, namely galaxy clusters. The Degenerate higher-order scalar-tensor (DHOST) theory modifies the Newtonian potential th…